Business Details
25 Years
experience
Expert Plumbing & Heating Solutions in Diss
With over three decades of experience in the building industry, Mark Joy Plumbing & Heating has established itself as a trusted provider of heating solutions in the Diss, Suffolk area. Specialising in gas, oil, and renewable energy systems since 2001, we combine professional expertise with a commitment to reducing carbon emissions. Our Gas Safe registered and MCS accredited team delivers tailored installations, from traditional central heating to ground source heat pumps, serving both domestic and commercial clients. We prioritise local knowledge, offering competitive pricing without call-out charges, while maintaining a no-fuss approach to exceed customer expectations. Our services include boiler replacements, underfloor heating, and rainwater harvesting systems, backed by a one-year guarantee on all work.With a proven track record in schools, churches, and public buildings, we ensure clean, efficient installations and ongoing maintenance. As climate change awareness grows, we actively promote renewable energy solutions, helping clients access grants and incentives. Our family-run ethos ensures personal attention to every project, no matter the size, supported by strong relationships with reputable tradespeople. Whether upgrading a home system or designing for new builds, we provide reliable, energy-efficient solutions tailored to individual needs.
Services
Gas Systems
Oil Systems
Underfloor Heating
Boiler Replacement
Heat Pumps
Solar Thermal
Power Flushing
Servicing
Rainwater Harvesting
Commercial Installations
Details
- Year established: 2001
Highlights and features
- We offer 30+ years of local plumbing and heating expertise in Diss.
- Our Gas Safe and MCS accreditations ensure industry-standard compliance.
- No call-out charges for emergency heating repairs.
- Proven track record in commercial projects including schools and churches.
- All installations come with a 12-month workmanship guarantee.
Associations and certifications
- Gas Safe Register
- MCS Accredited Installer
- Part P Building Regulations Certified
What people say
Delighted with installation
Excellent after-sales service
Professional installers
High-quality products
Satisfied customers
Services
Gas Systems
We design and install gas central heating systems using high-quality, energy-efficient products. Our Gas Safe registered engineers ensure safe, compliant installations for homes and commercial properties. Regular servicing maintains optimal performance and safety standards.
Heat Pumps
Specialist installation of ground and air source heat pumps for sustainable heating solutions. MCS accredited systems qualify for government incentives. Ideal for new builds and property upgrades seeking reduced carbon emissions.
Boiler Replacement
Efficient boiler replacements with minimal disruption. We supply and fit high-efficiency models to improve energy savings. Extended warranties available. Emergency breakdown service for urgent heating requirements.
Commercial Installations
Tailored heating solutions for schools, churches, and public buildings. Comprehensive project management from design to completion. Proven experience with large-scale systems and compliance requirements for commercial properties.
Solar Thermal
Integrated solar thermal systems for hot water provision. Combines renewable energy with traditional heating for year-round efficiency. Reduces energy bills while meeting modern environmental standards for residential and commercial use.
Questions
What heating systems do you specialise in?
We specialise in gas, oil, and renewable energy systems including heat pumps and solar thermal installations for both domestic and commercial properties.
Are your engineers certified?
Yes, we're Gas Safe registered and MCS accredited with Part P Building Regulations certification for electrical compliance in heating installations.
Do you work on commercial projects?
Yes, we have extensive experience with schools, churches, police stations, and other public buildings across Suffolk and Norfolk.
What guarantees do you offer?
All our installations come with a minimum 12-month workmanship guarantee covering both parts and labour.
Can you help with renewable energy grants?
We advise on available local authority incentives for renewable systems and ensure MCS accreditation for qualifying installations.
Do you provide emergency repairs?
Yes, we offer urgent boiler repair services with no call-out charges for heating emergencies.
